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24,749
RESULTS

Media Type
17,083
texts
3,894
audio
2,244
movies
1,285
images
180
concerts
24
data
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Topics & Subjects
4,428
NASA Technical Reports Server (NTRS)
2,592
ERIC Archive
751
DTIC Archive
621
Youtube
540
Community Media
540
PEG
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Collection
5,700
American Libraries
4,428
NASA Network Resource and Training Site
3,080
Community Audio
2,592
Education Resources Information Center (ERIC) Archive
1,519
Canadian Libraries
967
Community Texts
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Creator
4,428
nasa technical reports server (ntrs)
2,592
eric
831
nasa
751
defense technical information center
474
jeff bedia
421
massimo morigi
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Language
16,995
English
453
French
325
German
165
Italian
140
Latin
77
Modern Syriac
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